LN(1) User Commands LN(1)

ln - make links between files

ln [OPTION]... [-T] TARGET LINK_NAME
ln [OPTION]... TARGET
ln [OPTION]... TARGET... DIRECTORY
ln [OPTION]... -t DIRECTORY TARGET...

In the 1st form, create a link to TARGET with the name LINK_NAME. In the 2nd form, create a link to TARGET in the current directory. In the 3rd and 4th forms, create links to each TARGET in DIRECTORY. Create hard links by default, symbolic links with --symbolic. By default, each destination (name of new link) should not already exist. When creating hard links, each TARGET must exist. Symbolic links can hold arbitrary text; if later resolved, a relative link is interpreted in relation to its parent directory.

Mandatory arguments to long options are mandatory for short options too.

make a backup of each existing destination file
like --backup but does not accept an argument
allow the superuser to attempt to hard link directories (note: will probably fail due to system restrictions, even for the superuser)
remove existing destination files
prompt whether to remove destinations
dereference TARGETs that are symbolic links
treat LINK_NAME as a normal file if it is a symbolic link to a directory
make hard links directly to symbolic links
with -s, create links relative to link location
make symbolic links instead of hard links
override the usual backup suffix
specify the DIRECTORY in which to create the links
treat LINK_NAME as a normal file always
print name of each linked file
display this help and exit
output version information and exit

The backup suffix is '~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX. The version control method may be selected via the --backup option or through the VERSION_CONTROL environment variable. Here are the values:

never make backups (even if --backup is given)
make numbered backups
numbered if numbered backups exist, simple otherwise
always make simple backups

Using -s ignores -L and -P. Otherwise, the last option specified controls behavior when a TARGET is a symbolic link, defaulting to -P.

Written by Mike Parker and David MacKenzie.

GNU coreutils online help: https://www.gnu.org/software/coreutils/
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Copyright © 2021 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later https://gnu.org/licenses/gpl.html.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

link(2), symlink(2)

Full documentation https://www.gnu.org/software/coreutils/ln
or available locally via: info '(coreutils) ln invocation'

September 2021 GNU coreutils 9.0